void (*parse_PU) (routing_component_t rc, const char *name); /* A host or a router, whatever */
void (*parse_AS) (routing_component_t rc, const char *name);
void (*parse_route) (routing_component_t rc, const char *src,
void (*parse_PU) (routing_component_t rc, const char *name); /* A host or a router, whatever */
void (*parse_AS) (routing_component_t rc, const char *name);
void (*parse_route) (routing_component_t rc, const char *src,